Self-amplified loudspeaker



FIG. 1 shows a perspective view of our design for a self-amplified loudspeaker;

FIG. 2 shows a front view thereof;

FIG. 3 shows a side view thereof;

FIG. 4 shows a rear view thereof;

FIG. 5 shows another side view opposite the side in FIG. 3.

FIG. 6 shows a top view thereof; and,

FIG. 7 shows a bottom view thereof.

The broken line portions shown in FIGS. 1-7 are for illustration purposes only and form no part of the claimed design. 

The ornamental design for a self-amplified loudspeaker, as shown and described. 